The Democrats and Republicans try to keep them off the ballot. But third-party campaigns can inject new ideas and force major parties to incorporate a wider array of interests.
As the US prepares to replace NAFTA, a labor scholar who was critical of Perot but shared concerns about the deal revisits the claim that helped him become the most successful third-party candidate since Teddy Roosevelt.
In this year’s election, the system of majority voting didn’t allow voters to express their opinions adequately. If they had, the choice would have been between Kasich and Sanders.